bendn's repos / mindus
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'lemu/src/code.rs')
-rw-r--r--lemu/src/code.rs62
1 files changed, 62 insertions, 0 deletions
diff --git a/lemu/src/code.rs b/lemu/src/code.rs
new file mode 100644
index 0000000..b57cb55
--- /dev/null
+++ b/lemu/src/code.rs
@@ -0,0 +1,62 @@
+use crate::debug::{info::DebugInfo, printable::Printable};
+
+use super::{
+ instructions::{DrawInstr, Instr},
+ lexer::Token,
+};
+
+#[derive(Debug)]
+pub enum PInstr<'s> {
+ Instr(Instr),
+ Draw(DrawInstr),
+ Code(Box<[Token<'s>]>),
+ Comment(&'s str),
+}
+
+impl Printable for PInstr<'_> {
+ fn print(&self, info: &DebugInfo<'_>, f: &mut impl std::fmt::Write) -> std::fmt::Result {
+ match self {
+ Self::Instr(i) => i.print(info, f),
+ Self::Draw(i) => i.print(info, f),
+ Self::Code(c) => {
+ let mut toks = c.iter();
+ if let Some(t) = toks.next() {
+ write!(f, "{t}")?;
+ }
+ for token in toks {
+ write!(f, " {token}")?;
+ }
+ Ok(())
+ }
+ Self::Comment(c) => write!(f, "{c}"),
+ }
+ }
+}
+
+impl Printable for Code<'_> {
+ fn print(&self, info: &DebugInfo<'_>, f: &mut impl std::fmt::Write) -> std::fmt::Result {
+ for instr in &*self.0 {
+ instr.print(info, f)?;
+ writeln!(f)?;
+ }
+ Ok(())
+ }
+}
+
+#[repr(transparent)]
+#[derive(Debug)]
+pub struct Code<'s>(Box<[PInstr<'s>]>);
+
+// Pin requires
+impl<'s> std::ops::Deref for Code<'s> {
+ type Target = [PInstr<'s>];
+
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+impl<'s> Code<'s> {
+ pub(crate) fn new(code: Box<[PInstr<'s>]>) -> Self {
+ Self(code)
+ }
+}